20185948020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{114161}}^1$

素因数の和:114601

約数の個数: 96

約数和(自身を含む): 64749033216

約数和(自身を除く): 44563085196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 421, 842, 1263, 1684, 2105, 2526, 2947, 4210, 5052, 5894, 6315, 8420, 8841, 11788, 12630, 14735, 17682, 25260, 29470, 35364, 44205, 58940, 88410, 114161, 176820, 228322, 342483, 456644, 570805, 684966, 799127, 1141610, 1369932, 1598254, 1712415, 2283220, 2397381, 3196508, 3424830, 3995635, 4794762, 6849660, 7991270, 9589524, 11986905, 15982540, 23973810, 47947620, 48061781, 96123562, 144185343, 192247124, 240308905, 288370686, 336432467, 480617810, 576741372, 672864934, 720926715, 961235620, 1009297401, 1345729868, 1441853430, 1682162335, 2018594802, 2883706860, 3364324670, 4037189604, 5046487005, 6728649340, 10092974010, 20185948020]

約数ペア:

[(1, 20185948020), (2, 10092974010), (3, 6728649340), (4, 5046487005), (5, 4037189604), (6, 3364324670), (7, 2883706860), (10, 2018594802), (12, 1682162335), (14, 1441853430), (15, 1345729868), (20, 1009297401), (21, 961235620), (28, 720926715), (30, 672864934), (35, 576741372), (42, 480617810), (60, 336432467), (70, 288370686), (84, 240308905), (105, 192247124), (140, 144185343), (210, 96123562), (420, 48061781), (421, 47947620), (842, 23973810), (1263, 15982540), (1684, 11986905), (2105, 9589524), (2526, 7991270), (2947, 6849660), (4210, 4794762), (5052, 3995635), (5894, 3424830), (6315, 3196508), (8420, 2397381), (8841, 2283220), (11788, 1712415), (12630, 1598254), (14735, 1369932), (17682, 1141610), (25260, 799127), (29470, 684966), (35364, 570805), (44205, 456644), (58940, 342483), (88410, 228322), (114161, 176820)]